Addresses checked: 2.57.91.91 (web), 3.211.210.226 (mail, inbound-smtp.us-east-1.amazonaws.com), 44.206.9.87 (mail, inbound-smtp.us-east-1.amazonaws.com), 44.210.166.32 (mail, inbound-smtp.us-east-1.amazonaws.com), 54.164.173.191 (mail, inbound-smtp.us-east-1.amazonaws.com).
We check the web server and mail server IP addresses against free spam and malware blocklists. A listing usually means spam or malware was seen recently — follow the list’s own process to be removed.